: Designed for the hydraulic calculation of one- and two-pipe heating and cooling systems. It is used for both new system design and the adjustment of existing systems.

: A comprehensive 3D planning software that guides engineers through installation plans, hydraulic calculations, and the generation of final materials lists. Mobile Applications for On-Site Tasks

: Specifically for floor heating system calculations.

: A free tool for radiator valve selection and pre-setting calculations based on flow rate and pressure.

HERZ offers several desktop programs for complex hydraulic and thermal calculations. These are generally available for free download from official regional sites like HERZ Armaturen Russia or HERZ Austria .